On Wed, 03 May 2023 14:19:37 +0200, Christoph Böhmwalder wrote:
> When we receive a flush command (or "barrier" in DRBD), we currently use
> a REQ_OP_FLUSH with the REQ_PREFLUSH flag set.
>
> The correct way to submit a flush bio is by using a REQ_OP_WRITE without
> any data, and set the REQ_PREFLUSH flag.
>
> Since commit b4a6bb3a67aa ("block: add a sanity check for non-write
> flush/fua bios"), this triggers a warning in the block layer, but this
> has been broken for quite some time before that.
>
> [...]
Applied, thanks!
[1/1] drbd: correctly submit flush bio on barrier
commit: 3899d94e3831ee07ea6821c032dc297aec80586a
Best regards,
--
Jens Axboe
